/* Customize the label (the checkbox-btn) */
.checkbox-btn {
  display: block;
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Hide the browser's default checkbox */
.checkbox-btn input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkbox-btn label {
  cursor: pointer;
  font-size: 14px;
}
/* Create a custom checkbox */
.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 18px;
  width: 18px;
  border-radius: 5px;
  border: 3px solid #1663a7;
}
.checkbox-btn input:checked ~ .checkmark {
  background-color: transparent;
}

/* Create the checkmark/indicator (hidden when not checked) */
.checkmark:after {
  content: "";
  position: absolute;
  visibility: hidden;
  opacity: 0;
  left: 3.5px;
  top: 0.5px;
  width: 3.5px;
  height: 6px;
  border: 2.5px solid #1663a7;
  border-width: 0 2.5px 2.5px 0;
  transition: .3s ease-in-out;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

/* Show the checkmark when checked */
.checkbox-btn input:checked ~ .checkmark:after {
  visibility: visible;
  opacity: 1;
}